Q4 (5 points) [5 marks] Let { Xn : n = 0, 1, 2, ... } be a Markov chain with state space S = {0, 1, 2} and one-step transition probabilities P(0, 1) = P(2, 1) = 1, P(1, 0) = P(1, 2) = 1/2. Assume that To (0) = To(2) = - . Find the distribution of X2